While on a cruise with their grandfather, the Alden children help discover who is behind the mysterious troubles of the ship--disconnected phone lines, engine trouble, a man overboard--and still have fun sightseeing, eating, and swimming.

Sheep on a deep-sea voyage run into trouble when it storms and are glad to come paddling into port.

Celebrating the imminent birth of their first child, Zack Chasteen and his wife, Barbara, join the inaugural cruise of the Royal Star, the world's most exclusive and luxurious liner, but their dream vacation is threatened when armed gunmen seize the ship.

"Furious and fun, the first book in this bold, new science fiction adventure series follows a ragtag group of adventurers as they try to find a legendary ship that just might be the key to clearing their name and saving the universe"--

"Xiang Li Cheng, the President of the People's Republic of China, has both a problem and a plan. The problem is that the limited supply of oil available to China is threatening to derail his country's economic growth and prosperity. But to secure access to those resources, he must contend with powerful U.S. Navy and the Pacific Fleet. After a decades-long largely secret military build up, Cheng sets his plan in motion by suddenly invading Taiwan and...

"A young boy learns about all kids of water vehicles as he and his parents take off on a seaborne journey"--

When the terraforming crew of the interstellar starship John Glenn accidentally lands on the giant gas planet of Harlequin, they are forced to shape a nearby moon into a temporary home.